[INFO] fetching crate nock 0.4.0...
[INFO] testing nock-0.4.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate nock 0.4.0 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate nock 0.4.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nock 0.4.0
[INFO] finished tweaking crates.io crate nock 0.4.0
[INFO] tweaked toml for crates.io crate nock 0.4.0 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94d780f5898a78d33faee0abc1bda96c1370af52efb781919c99118475a335e5
[INFO] running `Command { std: "docker" "start" "-a" "94d780f5898a78d33faee0abc1bda96c1370af52efb781919c99118475a335e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d780f5898a78d33faee0abc1bda96c1370af52efb781919c99118475a335e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d780f5898a78d33faee0abc1bda96c1370af52efb781919c99118475a335e5", kill_on_drop: false }`
[INFO] [stdout] 94d780f5898a78d33faee0abc1bda96c1370af52efb781919c99118475a335e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f91ba3759c227b2e4d08aa39215d92bf3b4694408460b71068bbc1396ad28eb1
[INFO] running `Command { std: "docker" "start" "-a" "f91ba3759c227b2e4d08aa39215d92bf3b4694408460b71068bbc1396ad28eb1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling nock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/digit_slice.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from_digits(&[u8]) -> Result<Self, Self::Err>;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:55:41
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:77:33
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:110:37
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:134:41
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:163:43
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |                         try!(write!(f, "."));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 |                     try!(write!(f, "{}", c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 try!(write!(f, "["));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(a.print(f, abbrev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 try!(write!(f, " "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:276:29
[INFO] [stdout]     |
[INFO] [stdout] 276 | ...                   try!(a.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 | ...                   try!(write!(f, " "));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:281:29
[INFO] [stdout]     |
[INFO] [stdout] 281 | ...                   try!(cur.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |         Ok((try!(T::from_noun(n)),))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:432:25
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let t = try!(T::from_noun(a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:433:25
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 let u = try!(U::from_noun(b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:458:26
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:459:26
[INFO] [stdout]     |
[INFO] [stdout] 459 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:460:26
[INFO] [stdout]     |
[INFO] [stdout] 460 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:525:26
[INFO] [stdout]     |
[INFO] [stdout] 525 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:554:32
[INFO] [stdout]     |
[INFO] [stdout] 554 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:575:32
[INFO] [stdout]     |
[INFO] [stdout] 575 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:650:23
[INFO] [stdout]     |
[INFO] [stdout] 650 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:651:23
[INFO] [stdout]     |
[INFO] [stdout] 651 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:658:35
[INFO] [stdout]     |
[INFO] [stdout] 658 |                         elts.push(try!(parse_atom(input)))
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:660:54
[INFO] [stdout]     |
[INFO] [stdout] 660 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:566:30
[INFO] [stdout]     |
[INFO] [stdout] 566 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nock.rs:93:25
[INFO] [stdout]     |
[INFO] [stdout] 93  |                            return match p.get() {
[INFO] [stdout]     |  __________________________^______-
[INFO] [stdout]     | | _________________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stdout] 95  | ||                                 if a == b {
[INFO] [stdout] 96  | ||                                     // Yes.
[INFO] [stdout] ...   ||
[INFO] [stdout] 103 | ||                             _ => return Err(NockError(format!("same"))),
[INFO] [stdout] 104 | ||                         };
[INFO] [stdout]     | ||                         ^
[INFO] [stdout]     | ||_________________________|
[INFO] [stdout]     | |__________________________unreachable expression
[INFO] [stdout]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.71s
[INFO] running `Command { std: "docker" "inspect" "f91ba3759c227b2e4d08aa39215d92bf3b4694408460b71068bbc1396ad28eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91ba3759c227b2e4d08aa39215d92bf3b4694408460b71068bbc1396ad28eb1", kill_on_drop: false }`
[INFO] [stdout] f91ba3759c227b2e4d08aa39215d92bf3b4694408460b71068bbc1396ad28eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28eafba633f1aa1908dea691699ac898740601f3a6fc755fbb9997a64149b44c
[INFO] running `Command { std: "docker" "start" "-a" "28eafba633f1aa1908dea691699ac898740601f3a6fc755fbb9997a64149b44c", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/digit_slice.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from_digits(&[u8]) -> Result<Self, Self::Err>;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:55:41
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nock v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:77:33
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:110:37
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:134:41
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:163:43
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |                         try!(write!(f, "."));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 |                     try!(write!(f, "{}", c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 try!(write!(f, "["));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(a.print(f, abbrev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 try!(write!(f, " "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:276:29
[INFO] [stdout]     |
[INFO] [stdout] 276 | ...                   try!(a.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 | ...                   try!(write!(f, " "));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:281:29
[INFO] [stdout]     |
[INFO] [stdout] 281 | ...                   try!(cur.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |         Ok((try!(T::from_noun(n)),))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:432:25
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let t = try!(T::from_noun(a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:433:25
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 let u = try!(U::from_noun(b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:458:26
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:459:26
[INFO] [stdout]     |
[INFO] [stdout] 459 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:460:26
[INFO] [stdout]     |
[INFO] [stdout] 460 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:525:26
[INFO] [stdout]     |
[INFO] [stdout] 525 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:554:32
[INFO] [stdout]     |
[INFO] [stdout] 554 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:575:32
[INFO] [stdout]     |
[INFO] [stdout] 575 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:650:23
[INFO] [stdout]     |
[INFO] [stdout] 650 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:651:23
[INFO] [stdout]     |
[INFO] [stdout] 651 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:658:35
[INFO] [stdout]     |
[INFO] [stdout] 658 |                         elts.push(try!(parse_atom(input)))
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:660:54
[INFO] [stdout]     |
[INFO] [stdout] 660 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:566:30
[INFO] [stdout]     |
[INFO] [stdout] 566 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nock.rs:93:25
[INFO] [stdout]     |
[INFO] [stdout] 93  |                            return match p.get() {
[INFO] [stdout]     |  __________________________^______-
[INFO] [stdout]     | | _________________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stdout] 95  | ||                                 if a == b {
[INFO] [stdout] 96  | ||                                     // Yes.
[INFO] [stdout] ...   ||
[INFO] [stdout] 103 | ||                             _ => return Err(NockError(format!("same"))),
[INFO] [stdout] 104 | ||                         };
[INFO] [stdout]     | ||                         ^
[INFO] [stdout]     | ||_________________________|
[INFO] [stdout]     | |__________________________unreachable expression
[INFO] [stdout]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> examples/repl.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, BufRead, Write};
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/digit_slice.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn from_digits(&[u8]) -> Result<Self, Self::Err>;
[INFO] [stdout]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:53:41
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:55:41
[INFO] [stdout]    |
[INFO] [stdout] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:67:33
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:77:33
[INFO] [stdout]    |
[INFO] [stdout] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nock.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:110:37
[INFO] [stdout]     |
[INFO] [stdout] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:134:41
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:148:41
[INFO] [stdout]     |
[INFO] [stdout] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:163:43
[INFO] [stdout]     |
[INFO] [stdout] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:166:43
[INFO] [stdout]     |
[INFO] [stdout] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:200:37
[INFO] [stdout]     |
[INFO] [stdout] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/nock.rs:202:37
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |                         try!(write!(f, "."));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 |                     try!(write!(f, "{}", c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:268:17
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 try!(write!(f, "["));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 try!(a.print(f, abbrev));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:270:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 try!(write!(f, " "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:276:29
[INFO] [stdout]     |
[INFO] [stdout] 276 | ...                   try!(a.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:277:29
[INFO] [stdout]     |
[INFO] [stdout] 277 | ...                   try!(write!(f, " "));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:281:29
[INFO] [stdout]     |
[INFO] [stdout] 281 | ...                   try!(cur.print(f, abbrev));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |         Ok((try!(T::from_noun(n)),))
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:432:25
[INFO] [stdout]     |
[INFO] [stdout] 432 |                 let t = try!(T::from_noun(a));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:433:25
[INFO] [stdout]     |
[INFO] [stdout] 433 |                 let u = try!(U::from_noun(b));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:458:26
[INFO] [stdout]     |
[INFO] [stdout] 458 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:459:26
[INFO] [stdout]     |
[INFO] [stdout] 459 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:460:26
[INFO] [stdout]     |
[INFO] [stdout] 460 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:525:26
[INFO] [stdout]     |
[INFO] [stdout] 525 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:554:32
[INFO] [stdout]     |
[INFO] [stdout] 554 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:575:32
[INFO] [stdout]     |
[INFO] [stdout] 575 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:650:23
[INFO] [stdout]     |
[INFO] [stdout] 650 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:651:23
[INFO] [stdout]     |
[INFO] [stdout] 651 |             elts.push(try!(parse(input)));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:658:35
[INFO] [stdout]     |
[INFO] [stdout] 658 |                         elts.push(try!(parse_atom(input)))
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:660:54
[INFO] [stdout]     |
[INFO] [stdout] 660 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stdout]     |                                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `std::hash::SipHasher`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]    --> src/lib.rs:747:21
[INFO] [stdout]     |
[INFO] [stdout] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:566:30
[INFO] [stdout]     |
[INFO] [stdout] 566 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stdout]    --> src/lib.rs:747:38
[INFO] [stdout]     |
[INFO] [stdout] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/nock.rs:93:25
[INFO] [stdout]     |
[INFO] [stdout] 93  |                            return match p.get() {
[INFO] [stdout]     |  __________________________^______-
[INFO] [stdout]     | | _________________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stdout] 95  | ||                                 if a == b {
[INFO] [stdout] 96  | ||                                     // Yes.
[INFO] [stdout] ...   ||
[INFO] [stdout] 103 | ||                             _ => return Err(NockError(format!("same"))),
[INFO] [stdout] 104 | ||                         };
[INFO] [stdout]     | ||                         ^
[INFO] [stdout]     | ||_________________________|
[INFO] [stdout]     | |__________________________unreachable expression
[INFO] [stdout]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "28eafba633f1aa1908dea691699ac898740601f3a6fc755fbb9997a64149b44c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28eafba633f1aa1908dea691699ac898740601f3a6fc755fbb9997a64149b44c", kill_on_drop: false }`
[INFO] [stdout] 28eafba633f1aa1908dea691699ac898740601f3a6fc755fbb9997a64149b44c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4080f448713cda598d58c45d1f66e363750e767053971262dd57b9590f31670e
[INFO] running `Command { std: "docker" "start" "-a" "4080f448713cda598d58c45d1f66e363750e767053971262dd57b9590f31670e", kill_on_drop: false }`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/digit_slice.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_digits(&[u8]) -> Result<Self, Self::Err>;
[INFO] [stderr]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:55:41
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:110:37
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:166:43
[INFO] [stderr]     |
[INFO] [stderr] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:256:25
[INFO] [stderr]     |
[INFO] [stderr] 256 |                         try!(write!(f, "."));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:258:21
[INFO] [stderr]     |
[INFO] [stderr] 258 |                     try!(write!(f, "{}", c));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:268:17
[INFO] [stderr]     |
[INFO] [stderr] 268 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 try!(a.print(f, abbrev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |                 try!(write!(f, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:276:29
[INFO] [stderr]     |
[INFO] [stderr] 276 | ...                   try!(a.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:277:29
[INFO] [stderr]     |
[INFO] [stderr] 277 | ...                   try!(write!(f, " "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:281:29
[INFO] [stderr]     |
[INFO] [stderr] 281 | ...                   try!(cur.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:413:13
[INFO] [stderr]     |
[INFO] [stderr] 413 |         Ok((try!(T::from_noun(n)),))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:432:25
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 let t = try!(T::from_noun(a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:433:25
[INFO] [stderr]     |
[INFO] [stderr] 433 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:458:26
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:459:26
[INFO] [stderr]     |
[INFO] [stderr] 459 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:460:26
[INFO] [stderr]     |
[INFO] [stderr] 460 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:525:26
[INFO] [stderr]     |
[INFO] [stderr] 525 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:554:32
[INFO] [stderr]     |
[INFO] [stderr] 554 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:575:32
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:650:23
[INFO] [stderr]     |
[INFO] [stderr] 650 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:651:23
[INFO] [stderr]     |
[INFO] [stderr] 651 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:658:35
[INFO] [stderr]     |
[INFO] [stderr] 658 |                         elts.push(try!(parse_atom(input)))
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:660:54
[INFO] [stderr]     |
[INFO] [stderr] 660 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:566:30
[INFO] [stderr]     |
[INFO] [stderr] 566 |         write!(f, "{}", self.description())
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  |                            return match p.get() {
[INFO] [stderr]     |  __________________________^______-
[INFO] [stderr]     | | _________________________|
[INFO] [stderr]     | ||
[INFO] [stderr] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | ||                                 if a == b {
[INFO] [stderr] 96  | ||                                     // Yes.
[INFO] [stderr] ...   ||
[INFO] [stderr] 103 | ||                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr] 104 | ||                         };
[INFO] [stderr]     | ||                         ^
[INFO] [stderr]     | ||_________________________|
[INFO] [stderr]     | |__________________________unreachable expression
[INFO] [stderr]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 37 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]   --> src/digit_slice.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn from_digits(&[u8]) -> Result<Self, Self::Err>;
[INFO] [stderr]    |                    ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stderr]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:53:41
[INFO] [stderr]    |
[INFO] [stderr] 53 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:55:41
[INFO] [stderr]    |
[INFO] [stderr] 55 | ...                   let q = try!(self.nock_on(subject,
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nock.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |                         let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:110:37
[INFO] [stderr]     |
[INFO] [stderr] 110 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:148:41
[INFO] [stderr]     |
[INFO] [stderr] 148 | ...                   let p = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:163:43
[INFO] [stderr]     |
[INFO] [stderr] 163 | ...                   subject = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:166:43
[INFO] [stderr]     |
[INFO] [stderr] 166 | ...                   formula = try!(get_axis(axis, &subject));
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:183:33
[INFO] [stderr]     |
[INFO] [stderr] 183 | ...                   try!(self.hint(&subject, b, c));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:200:37
[INFO] [stderr]     |
[INFO] [stderr] 200 | ...                   let a = try!(self.nock_on(subject.clone(),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/nock.rs:202:37
[INFO] [stderr]     |
[INFO] [stderr] 202 | ...                   let b = try!(self.nock_on(subject, tail.clone()));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:256:25
[INFO] [stderr]     |
[INFO] [stderr] 256 |                         try!(write!(f, "."));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:258:21
[INFO] [stderr]     |
[INFO] [stderr] 258 |                     try!(write!(f, "{}", c));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:268:17
[INFO] [stderr]     |
[INFO] [stderr] 268 |                 try!(write!(f, "["));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:269:17
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 try!(a.print(f, abbrev));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:270:17
[INFO] [stderr]     |
[INFO] [stderr] 270 |                 try!(write!(f, " "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:276:29
[INFO] [stderr]     |
[INFO] [stderr] 276 | ...                   try!(a.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:277:29
[INFO] [stderr]     |
[INFO] [stderr] 277 | ...                   try!(write!(f, " "));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:281:29
[INFO] [stderr]     |
[INFO] [stderr] 281 | ...                   try!(cur.print(f, abbrev));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:413:13
[INFO] [stderr]     |
[INFO] [stderr] 413 |         Ok((try!(T::from_noun(n)),))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:432:25
[INFO] [stderr]     |
[INFO] [stderr] 432 |                 let t = try!(T::from_noun(a));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:433:25
[INFO] [stderr]     |
[INFO] [stderr] 433 |                 let u = try!(U::from_noun(b));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:458:26
[INFO] [stderr]     |
[INFO] [stderr] 458 |                 let t1 = try!(T1::from_noun(t1));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:459:26
[INFO] [stderr]     |
[INFO] [stderr] 459 |                 let t2 = try!(T2::from_noun(t2));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:460:26
[INFO] [stderr]     |
[INFO] [stderr] 460 |                 let t3 = try!(T3::from_noun(t3));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:525:26
[INFO] [stderr]     |
[INFO] [stderr] 525 |                 ret.push(try!(T::from_noun(head)));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:554:32
[INFO] [stderr]     |
[INFO] [stderr] 554 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:575:32
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:650:23
[INFO] [stderr]     |
[INFO] [stderr] 650 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:651:23
[INFO] [stderr]     |
[INFO] [stderr] 651 |             elts.push(try!(parse(input)));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:658:35
[INFO] [stderr]     |
[INFO] [stderr] 658 |                         elts.push(try!(parse_atom(input)))
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:660:54
[INFO] [stderr]     |
[INFO] [stderr] 660 |                     Some(c) if c == '[' => elts.push(try!(parse_cell(input))),
[INFO] [stderr]     |                                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `std::hash::SipHasher`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:747:21
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/lib.rs:566:30
[INFO] [stderr]     |
[INFO] [stderr] 566 |         write!(f, "{}", self.description())
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::hash::SipHasher::new`: use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:747:38
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  |                            return match p.get() {
[INFO] [stderr]     |  __________________________^______-
[INFO] [stderr]     | | _________________________|
[INFO] [stderr]     | ||
[INFO] [stderr] 94  | ||                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | ||                                 if a == b {
[INFO] [stderr] 96  | ||                                     // Yes.
[INFO] [stderr] ...   ||
[INFO] [stderr] 103 | ||                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr] 104 | ||                         };
[INFO] [stderr]     | ||                         ^
[INFO] [stderr]     | ||_________________________|
[INFO] [stderr]     | |__________________________unreachable expression
[INFO] [stderr]     |                            any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 39 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> examples/repl.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, BufRead, Write};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nock-a26db92ec02c6614)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test digit_slice::tests::test_slice ... ok
[INFO] [stdout] test tests::test_autocons ... ok
[INFO] [stdout] test digit_slice::tests::test_msb ... ok
[INFO] [stdout] test tests::test_bigint ... ok
[INFO] [stdout] test tests::test_axis ... ok
[INFO] [stdout] test tests::test_if ... ok
[INFO] [stdout] test tests::test_just ... ok
[INFO] [stdout] test tests::test_fold ... ok
[INFO] [stdout] test tests::test_mug ... ok
[INFO] [stdout] test tests::test_cord ... ok
[INFO] [stdout] test tests::test_parser ... ok
[INFO] [stdout] test tests::test_depth ... ok
[INFO] [stdout] test tests::test_fire ... ok
[INFO] [stdout] test tests::test_bump ... ok
[INFO] [stdout] test tests::test_same ... ok
[INFO] [stdout] test tests::test_misc_nock ... ok
[INFO] [stderr]    Doc-tests nock
[INFO] [stdout] test tests::test_stack ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4080f448713cda598d58c45d1f66e363750e767053971262dd57b9590f31670e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4080f448713cda598d58c45d1f66e363750e767053971262dd57b9590f31670e", kill_on_drop: false }`
[INFO] [stdout] 4080f448713cda598d58c45d1f66e363750e767053971262dd57b9590f31670e
